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Optical Memory Elements with Extremely Wide Hysteresis Window (94mA) Using Partly Saturable-Absorber Novel Active MMI Bi-Stable Laser Diodes
Opto-electronics Optical switching devices
2015/6/4
Novel active MMI bi-stable laser diodes are proposed and demonstrated. Using partly saturable-absorber configuration in active MMI, extremely wide hysteresis window of 94mA was achieved with 30fJ opti...
Microchannelled Chirped Fibre Bragg Grating Based Refractive Index Sensor Formed by Femto-Second Laser Processing and HF-etching
Chirped Fibre Bragg Grating Refractive Index Sensor Formed Femto-Second Laser Processing HF-etching
2015/8/3
The microchannelled chirped fibre Bragg grating (MCFBG) was fabricated using femtosecond laser processing and HF-etching. Intrinsical refractive-index sensitivity induced by the microchannel makes MCF...